The antibodies have been altered to fluoresce under certain conditions.
在一定条件下，这些抗体被变成能发出荧光。
Under blue light, the spots on this shark fluoresce, creating an eerie glow.
它身上的荧光点在蓝光下散发着诡异的光芒。
Scientists marked orexin cells in mice brains so they would fluoresce. Then they tracked the cells' activity after feeding the mice different kinds of food.
